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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 11 — Jun. 1, 2009
  • pp: 1735–1737

Vertically integrated As 2 S 3 ring resonator on LiNbO 3

Mehmet E. Solmaz, Donald B. Adams, Wee C. Tan, William T. Snider, and Christi K. Madsen  »View Author Affiliations


Optics Letters, Vol. 34, Issue 11, pp. 1735-1737 (2009)
http://dx.doi.org/10.1364/OL.34.001735


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Abstract

Titanium-diffused lithium niobate ( Ti : LiNbO 3 ) waveguides are widely used in current fiber optic networks because of their high-speed, electro-optic modulation, and low-loss integration with standard single-mode fibers. However, they cannot achieve small ring resonators owing to their lack of a high core-to-cladding index contrast. To overcome this challenge, we vertically integrate an emerging chalcogenide glass waveguide technology on well-established Ti : LiNbO 3 waveguides. We present, to our knowledge, the first arsenic trisulfide ( As 2 S 3 ) race-track ring resonator with a 290.8 μ m bend radius in an all-pass filter configuration, integrated on a Ti : LiNbO 3 waveguide. Vertical coupling is achieved using a unique taper design. Experimental results are shown for 10.6% coupling, 2.08 dB roundtrip loss, and a 25.4 GHz free-spectral range.

© 2009 Optical Society of America

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.5750) Optical devices : Resonators
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Optical Devices

History
Original Manuscript: March 9, 2009
Revised Manuscript: April 23, 2009
Manuscript Accepted: April 26, 2009
Published: May 29, 2009

Citation
Mehmet E. Solmaz, Donald B. Adams, Wee C. Tan, William T. Snider, and Christi K. Madsen, "Vertically integrated As2S3 ring resonator on LiNbO3," Opt. Lett. 34, 1735-1737 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-11-1735

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